From 50304cfb1c5825f72183d5260f617505b678a808 Mon Sep 17 00:00:00 2001
From: Sean Parkinson <sean@wolfssl.com>
Date: Tue, 25 Mar 2025 09:40:01 +1000
Subject: [PATCH] Intel x86_64, gcc, icc: align loops to 64 byte boundary

Improved security with compile flag.
---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index fc042932e..dd6142534 100644
--- a/configure.ac
+++ b/configure.ac
@@ -180,7 +180,7 @@ if test "$host_cpu" = "x86_64"
 then
     if test "$CC" = "gcc" || test "$CC" = "icc"
     then
-        EXTRA_OPTS_CFLAGS="$EXTRA_OPTS_CFLAGS -Wa,-mbranches-within-32B-boundaries"
+        EXTRA_OPTS_CFLAGS="$EXTRA_OPTS_CFLAGS -Wa,-mbranches-within-32B-boundaries -falign-loops=64"
     fi
 fi
 OPTIMIZE_CFLAGS="$OPTIMIZE_CFLAGS $EXTRA_OPTS_CFLAGS"